diff --git a/README.rst b/README.rst
index d67dfa3..220b68d 100644
--- a/README.rst
+++ b/README.rst
@@ -179,7 +179,7 @@ as desired. The return type also needs to be registered with the
 
 History
 ~~~~~~~
-23.1.0 (UNRELEASED)
+23.1.0 (2023-02-09)
 ```````````````````
 * Added ``aiofiles.os.access``.
   `#146 <https://github.com/Tinche/aiofiles/pull/146>`_
diff --git a/pyproject.toml b/pyproject.toml
index 7df7245..201bf73 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "aiofiles"
-version = "23.1.0.dev0"
+version = "23.1.0"
 description = "File support for asyncio."
 authors = ["Tin Tvrtkovic <tinchester@gmail.com>"]
 license = "Apache-2.0"